Re: [libvirt] [virt-tools-list] libvirt spice command line appears to be incorrect

On 04/25/2011 04:27 AM, Richard W.M. Jones wrote: > [Copying this to libvir-list] > > On Mon, Apr 25, 2011 at 01:07:37AM +0400, Emre Erenoglu wrote: >> Hi, >> >> I'm the package maintainer for virt-manager and related packages for Pardus >> distribution. While testing the latest libvirt, virtinst & virt-manager >> packages, I've come across a strange issue and I would like to get your >> valuable opinion. >> >> I add all spice related devices and everything works good, except the >> vdagent inside the windows xp guest. The virtio serial driver is loaded >> correctly. As I track down the issue, I found out that libvirt is starting >> qemu-kvm with parameters which do not match the ones adviced by the spice >> people. Please see below email discussion with them on this. The offending >> line seems to be the chardev parameter. qemu-kvm is started by virt-manager >> with the following parameter for chardev: >> >> -chardev null,id=channel0 >> >> and the full spice related parameters are: >> >> -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x8 -chardev >> null,id=channel0 -device >> virtserialport,bus=virtio-serial0.0,nr=0,chardev=channel0,name=com.redhat.spice.0 >> -usb -device usb-tablet,id=input0 -spice >> port=5900,addr=127.0.0.1,disable-ticketing -vga qxl -device >> qxl,id=video1,bus=pci.0,addr=0x7 >> >> while spice people adviced: >> >> -chardev spicevmc,id=channel0,name=vdagent >> >> and the rest of the parameters to match it. See below mail on the details. >> I don't know if this is really the issue, but I also recognize the following >> inside the domain XML: >> >> <channel type='null'> >> <target type='virtio' name='com.redhat.spice.0'/> >> <address type='virtio-serial' controller='0' bus='0' port='0'/> >> </channel> >> >> the "channel type" is listed as "null", while I assume it should have been >> listed as "spicevmc". (not sure of this, I saw this in some other >> websites). When I edit the domain xml with virsh edit, it saves my changes >> but the "null" stays the same how many times I try to change it. >> >> Please note that I've applied the following patches to virtinst 0.500.6: >> >> constrain-spicevmc-usage-correct.patch >> virtinst-fix-channel-parse.patch >> virtinst-spicevmc-fixes.patch >> >> which I obtained from the git. I also patched virt-manager 0.8.7 with the >> following I obtained from the git: >> >> chardev-hide-unsupported-params-for-selected-type.patch >> only-show-relevant-char-device-fields.patch >> show-char-device-target-name.patch >> chardev-propose-to-add-remove-spice-agent.patch >> allow-setting-char-device-target-name.patch >> fix-adding-removing-channel-device.patch >> >> Any idea what I might be missing to get the vdagent run inside the windows >> guest? >> >> Many thanks, >> >> Emre Erenoglu What libvirt version are you using? spicevmc requires libvirt 0.8.8. However if libvirt is silently reverting to 'null' it's a bug either way.